That will open an info box listing one or more of these three different messages :

'No Transactions Available' means you haven't interacted with them or it's been over 1 year since your last transaction.Positive standing transaction will show the mission name, date / time of completion and amount of standing increase. Negative standing transaction will show the reason (Combat - ship kill), date / time of incident and amount of standing hit.

Just remember all Epic Arcs can be redone 90 days (not 3 months) after completion.